module.exports = { 
  // 基本路径
  baseUrl: '/', 
  // 输出文件目录
  outputDir: 'dist', 
  // eslint-loader 是否在保存的时候检查
  lintOnSave: true,
  // use the full build with in-browser compiler? 
  // https://vuejs.org/v2/guide/installation.html#Runtime-Compiler-vs-Runtime-only

  //compiler: false, 

  // webpack配置 
  // see https://github.com/vuejs/vue-cli/blob/dev/docs/webpack.md
  chainWebpack: () => {}, 
  configureWebpack: () => {}, 
  // vue-loader 配置项 // https://vue-loader.vuejs.org/en/options.html

  //vueLoader: {}, 

  // 生产环境是否生成 sourceMap 文件
  productionSourceMap: true, 
  // css相关配置 
  css: {  
    // 是否使用css分离插件 ExtractTextPlugin 
    extract: true,  
   // 开启 CSS source maps?  
    sourceMap: false,  
    // css预设器配置项  
    loaderOptions: {},  
    // 启用 CSS modules for all css / pre-processor files.  
    modules: false }, 
  // use thread-loader for babel & TS in production build 
  // enabled by default if the machine has more than 1 cores 
  parallel: require('os').cpus().length > 1, 
  // 是否启用dll 
  // See https://github.com/vuejs/vue-cli/blob/dev/docs/cli-service.md#dll-mode

  //dll: false, 
  
  // PWA 插件相关配置 
  // see https://github.com/vuejs/vue-cli/tree/dev/packages/%40vue/cli-plugin-pwa
  pwa: {}, 
  // webpack-dev-server 相关配置 
  devServer: {  
    open: process.platform === 'darwin',
    host: '0.0.0.0',  
    port: 8080,  
    https: false,  
    hotOnly: false,  
    proxy: {
      //配置跨域
      '/api':{
        target:'http://localhost:5000/api/',
        ws:true,
        changOrigin:true,
        pathRewrite:{
          '^/api':''
        }
      },
    }, 
    // 设置代理  
    before: app => {

    }}, 
  // 第三方插件配置 
  pluginOptions: {  
    // ... 
  }}
